g0001_0100.s0059_spiral_matrix_ii

Class Solution

java.lang.Object

g0001_0100.s0059_spiral_matrix_ii.Solution

public class Solution
extends Object

59 - Spiral Matrix II.

Medium

Given a positive integer n, generate an n x n matrix filled with elements from 1 to n2 in spiral order.

Example 1:

Input: n = 3

Output: [[1,2,3],[8,9,4],[7,6,5]]

Example 2:

Input: n = 1

Output: 1

Constraints:

• 1 <= n <= 20

Constructor Summary

Constructors

Constructor and Description
Solution()

Method Summary

Modifier and Type	Method and Description
int[][]	generateMatrix(int n)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Solution

public Solution()

Method Detail

generateMatrix

public int[][] generateMatrix(int n)